#include <iostream>
using namespace std;

#define show_size(T) { cout << "sizeof(" << #T << "): " << sizeof(T) << endl; }

int main(){
  cout << "__cplusplus: " << __cplusplus << endl;
  show_size(int);
  show_size(long);
  show_size(long long);
  show_size(long double);
  show_size(wchar_t);
  show_size(void *);
}